BlankAbsolutely. THe only thing is that when you reopen the file in sonar 6 you will get a message that the file was created with a higher version of Sonar. If the file had step sequences in it from sonar 7 for example, they would not work in sonar , but the rest of the file would still play. Gord ----- Original Message ----- From: Omar Binno To: ddots-l@xxxxxxxxxxxxx Sent: Monday, May 19, 2008 4:35 PM Subject: [ddots-l] downgrading sonar files Hello, If I'm using Sonar 6, and a person I'm colaborating with is using Sonar 7, will we both be able to work with a cwp file, even though he's using a higher version of Sonar than I am? Thanks. Omar Binno www.omarbinno.com